Use stable runs on

Signed-off-by: Yuki Iwai <yuki.iwai.tz@gmail.com>

.github/workflows/codeql.yml

@@ -20,7 +20,7 @@ on:
 jobs:
   CodeQL-Build:
     # CodeQL runs on ubuntu-latest, windows-latest, and macos-latest
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
 
     permissions:
       # required for all workflows

.github/workflows/golangci-lint.yml

@@ -9,7 +9,7 @@ on:
 jobs:
   golangci:
     name: lint
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     steps:
       - uses: actions/checkout@v3
       - uses: actions/setup-go@v3

.github/workflows/main.yml

@@ -3,7 +3,7 @@ on: [push, pull_request]
 jobs:
   validate:
     name: Validate
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     env:
       GOPATH: ${{ github.workspace }}/go
     defaults:
@@ -32,7 +32,7 @@ jobs:
         run: make test
   e2e:
     name: E2E
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     # Pull requests from the same repository won't trigger this checks as they were already triggered by the push
     if: github.event_name == 'push' || github.event.pull_request.head.repo.full_name != github.repository
     strategy:

.github/workflows/mpi-operator-docker-image-publish.yml

@@ -15,7 +15,7 @@ env:
 
 jobs:
   build-push-docker-image:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     steps:
       - name: Checkout
         uses: actions/checkout@v3